ISSN 2149-2263 | E-ISSN 2149-2271
The Anatolian Journal of Cardiology
Tricuspid annular motion in right coronary artery-related acute inferior myocardial infarction with or without right ventricular involvement [Anatol J Cardiol]
Anatol J Cardiol. 2011; 11(6): 504-508 | DOI: 10.5152/akd.2011.134

Tricuspid annular motion in right coronary artery-related acute inferior myocardial infarction with or without right ventricular involvement

Serdar Bayata1, Eyüp Avcı2, Murat Yeşil3, Erdinç Arıkan4, Nursen Postacı4, Selcen Yakar Tülüce5
1Department of Cardiology, İzmir Atatürk Training and Research Hospital, İzmir, Turkey
2Atatürk Eğitim Hastanesi, 1. Kardiyoloji Kliniği, İzmir, Türkiye
3Sağlık Bakanlığı İzmir Atatürk Eğitim ve Araştırma Hastanesi, 1. Kardiyoloji Kliniği, İzmir, Türkiye
4Clinic of Cardiology Atatürk Education and Research Hospital, İzmir-Turkey
5Clinic of 1st Cardiology, Atatürk Education and Research Hospital, İzmir-Turkey

Objective: Tricuspid annular movement and velocities before and after thrombolytic therapy were investigated for the detection of right ventricular (RV) involvement in RCA (right coronary artery)-related acute inferior myocardial infarction (IMI). Methods: Patients with RCA-related acute IMI were evaluated for this pilot prospective cohort study. Annular movement was measured by TAPSE (tricuspid annular plane systolic excursion), and annular velocities were measured by tissue Doppler echocardiography. Data collected before and after thrombolysis and angiography. Diagnosis of RV myocardial infarction (RVMI) was defined by co-presence of electrocardiographic and angiographic criteria. Chi-square and Student’s t-tests were used in statistical analysis. Results: Thirty-one patients were included. Before thrombolysis, annular velocities and TAPSE were found significantly higher in patients without RVMI than in patients with RVMI. Comparison of tricuspid systolic velocity (Sa) and movement before and after thrombolytic therapy in patients without RVMI revealed no significant difference (21.6±2.1 mm vs. 21.8±2.0 mm p>0.05 and 136.1±8.8 mm/s vs. 137.5±9.0 mm/s p>0.05, for TAPSE and Sa respectively). Contrarily, in patients with RVMI, TAPSE and systolic velocity increased significantly after thrombolysis compared with pre-thrombolysis (16.2±2.0 mm vs. 17.6±1.8 mm p=0.001 and 110.0±12.6 mm/s vs. 113.08±12.7 mm/s p=0.027 for TAPSE and Sa respectively). Diastolic velocities did not change significantly after thrombolysis in patients with RVMI. Conclusion: Tricuspid annular movement and velocity measurement by echocardiography may contribute to echocardiographic diagnosis of RV involvement in RCA-related IMI. Patients without RVMI have significantly higher annular velocities and TAPSE than in patients with RVMI before thrombolysis. Only in IMI patients with RVMI, significant increases in TAPSE and Sa were observed after thrombolysis.

Keywords: Acute myocardial infarction, right ventricular infarction, thrombolytic therapy, coronary angiography, echocardiography, tissue Doppler echocardiography

Serdar Bayata, Eyüp Avcı, Murat Yeşil, Erdinç Arıkan, Nursen Postacı, Selcen Yakar Tülüce. Tricuspid annular motion in right coronary artery-related acute inferior myocardial infarction with or without right ventricular involvement. Anatol J Cardiol. 2011; 11(6): 504-508
Manuscript Language: English


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